How to safely and effectively use a ball mill to grind pyrotechnic chemicals and black powder. ... Here's a shot of a nice, double-barrel mill I built based on his principles. .... In making black powder, I've found that a material charge of 15 ounces of ... the volume it occupies, will vary a bit with the density of the charcoal used.

The MSK-SFM-15 is a compact rotary mill designed for ball milling small quantity of ... Two clear plastic barrels and Zirconia ( YSZ ) with total 6 lbs max load are ... Barrel. Two hexagonal heavy duty plastic barrels are included for processing two ... manually or the countdown timer controller can be used to shut down the unit.

The motion of the tumbler barrel carries heavy steel balls up the wall of the ... The largest rock tumblers are not used to produce tumble-polished stones. ... These tumblers are called "ball mills" because rock is placed in the tumbler with ... rock tumbler that we sell is the Thumler's Model B. It has a 15 pound capacity and will...